def example_2():
print """EXAMPLE 2
1) Open a new channel.
2) Register a new handler to that channel.
3) Register a second handler to the same channel,
but with a different handling method.
4) Publish to that channel.
5) Close the channel entirely.
6) Publish to same channel. (No output from this one)
OUTPUT:"""
def evt_handler1(evt):
print "evt_handler1:"
print " __channel:", evt.get_channel()
print " name:", evt.name
def evt_handler2(evt):
print "evt_handler2:"
print " __channel:", evt.get_channel()
print " name:", evt.name
print " int_arg:", evt.int_arg
pyback.open_channel('example_2_channel')
pyback.subscribe('example_2_channel', evt_handler1)
pyback.subscribe('example_2_channel', evt_handler2)
# push from anywhere that imports pyback
pyback.publish('example_2_channel', name="example_2_evt", int_arg=10)
# close the channel entirely.
# this automatically unsubscribes all event handlers on this channel.
pyback.close_channel('example_2_channel')
# this will cause no callback
pyback.publish('example_2_channel', name="example_2_evt_fail", int_arg=20)
print "-" * 50
def test_close_channel(self):
import pyback
self.called = 0
def callback(evt):
self.called += 1
pyback.subscribe('testchannel', callback)
pyback.publish('testchannel')
self.assertEqual(self.called, 1)
pyback.close_channel('testchannel')
pyback.publish('testchannel')
self.assertEqual(self.called, 1) # NOT 2
def test_close_channel(self):
import pyback
self.called = 0
def callback(evt):
self.called += 1
pyback.subscribe('testchannel', callback)
pyback.publish('testchannel')
self.assertEqual(self.called, 1)
pyback.close_channel('testchannel')
pyback.publish('testchannel')
self.assertEqual(self.called, 1) # NOT 2
def example_2():
print """EXAMPLE 2
1) Open a new channel.
2) Register a new handler to that channel.
3) Register a second handler to the same channel,
but with a different handling method.
4) Publish to that channel.
5) Close the channel entirely.
6) Publish to same channel. (No output from this one)
OUTPUT:"""
def evt_handler1(evt):
print "evt_handler1:"
print " __channel:", evt.get_channel()
print " name:", evt.name
def evt_handler2(evt):
print "evt_handler2:"
print " __channel:", evt.get_channel()
print " name:", evt.name
print " int_arg:", evt.int_arg
pyback.open_channel('example_2_channel')
pyback.subscribe('example_2_channel', evt_handler1)
pyback.subscribe('example_2_channel', evt_handler2)
# push from anywhere that imports pyback
pyback.publish('example_2_channel', name="example_2_evt", int_arg=10)
# close the channel entirely.
# this automatically unsubscribes all event handlers on this channel.
pyback.close_channel('example_2_channel')
# this will cause no callback
pyback.publish('example_2_channel', name="example_2_evt_fail", int_arg=20)
print "-" * 50
